<HTML>
<BODY BGCOLOR="white">
<PRE>
<FONT color="green">001</FONT>    /**<a name="line.1"></a>
<FONT color="green">002</FONT>     *<a name="line.2"></a>
<FONT color="green">003</FONT>     * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.3"></a>
<FONT color="green">004</FONT>     * contributor license agreements.  See the NOTICE file distributed with<a name="line.4"></a>
<FONT color="green">005</FONT>     * this work for additional information regarding copyright ownership.<a name="line.5"></a>
<FONT color="green">006</FONT>     * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.6"></a>
<FONT color="green">007</FONT>     * (the "License"); you may not use this file except in compliance with<a name="line.7"></a>
<FONT color="green">008</FONT>     * the License.  You may obtain a copy of the License at<a name="line.8"></a>
<FONT color="green">009</FONT>     *<a name="line.9"></a>
<FONT color="green">010</FONT>     *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<FONT color="green">011</FONT>     *<a name="line.11"></a>
<FONT color="green">012</FONT>     *  Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<FONT color="green">013</FONT>     *  distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<FONT color="green">014</FONT>     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<FONT color="green">015</FONT>     *  See the License for the specific language governing permissions and<a name="line.15"></a>
<FONT color="green">016</FONT>     *  limitations under the License.<a name="line.16"></a>
<FONT color="green">017</FONT>     */<a name="line.17"></a>
<FONT color="green">018</FONT>    package org.apache.commons.dbcp.managed;<a name="line.18"></a>
<FONT color="green">019</FONT>    <a name="line.19"></a>
<FONT color="green">020</FONT>    import org.apache.commons.dbcp.ConnectionFactory;<a name="line.20"></a>
<FONT color="green">021</FONT>    <a name="line.21"></a>
<FONT color="green">022</FONT>    import javax.transaction.TransactionManager;<a name="line.22"></a>
<FONT color="green">023</FONT>    import javax.transaction.xa.XAException;<a name="line.23"></a>
<FONT color="green">024</FONT>    import javax.transaction.xa.XAResource;<a name="line.24"></a>
<FONT color="green">025</FONT>    import javax.transaction.xa.Xid;<a name="line.25"></a>
<FONT color="green">026</FONT>    import java.sql.Connection;<a name="line.26"></a>
<FONT color="green">027</FONT>    import java.sql.SQLException;<a name="line.27"></a>
<FONT color="green">028</FONT>    <a name="line.28"></a>
<FONT color="green">029</FONT>    /**<a name="line.29"></a>
<FONT color="green">030</FONT>     * An implementation of XAConnectionFactory which manages non-XA connections in XA transactions.  A non-XA connection<a name="line.30"></a>
<FONT color="green">031</FONT>     * commits and rolls back as part of the XA transaction, but is not recoverable since the connection does not implement<a name="line.31"></a>
<FONT color="green">032</FONT>     * the 2-phase protocol.<a name="line.32"></a>
<FONT color="green">033</FONT>     *<a name="line.33"></a>
<FONT color="green">034</FONT>     * @author Dain Sundstrom<a name="line.34"></a>
<FONT color="green">035</FONT>     * @version $Revision$<a name="line.35"></a>
<FONT color="green">036</FONT>     */<a name="line.36"></a>
<FONT color="green">037</FONT>    public class LocalXAConnectionFactory implements XAConnectionFactory {<a name="line.37"></a>
<FONT color="green">038</FONT>        protected TransactionRegistry transactionRegistry;<a name="line.38"></a>
<FONT color="green">039</FONT>        protected ConnectionFactory connectionFactory;<a name="line.39"></a>
<FONT color="green">040</FONT>    <a name="line.40"></a>
<FONT color="green">041</FONT>        /**<a name="line.41"></a>
<FONT color="green">042</FONT>         * Creates an LocalXAConnectionFactory which uses the specified connection factory to create database<a name="line.42"></a>
<FONT color="green">043</FONT>         * connections.  The connections are enlisted into transactions using the specified transaction manager.<a name="line.43"></a>
<FONT color="green">044</FONT>         *<a name="line.44"></a>
<FONT color="green">045</FONT>         * @param transactionManager the transaction manager in which connections will be enlisted<a name="line.45"></a>
<FONT color="green">046</FONT>         * @param connectionFactory  the connection factory from which connections will be retrieved<a name="line.46"></a>
<FONT color="green">047</FONT>         */<a name="line.47"></a>
<FONT color="green">048</FONT>        public LocalXAConnectionFactory(TransactionManager transactionManager, ConnectionFactory connectionFactory) {<a name="line.48"></a>
<FONT color="green">049</FONT>            if (transactionManager == null) throw new NullPointerException("transactionManager is null");<a name="line.49"></a>
<FONT color="green">050</FONT>            if (connectionFactory == null) throw new NullPointerException("connectionFactory is null");<a name="line.50"></a>
<FONT color="green">051</FONT>    <a name="line.51"></a>
<FONT color="green">052</FONT>            this.transactionRegistry = new TransactionRegistry(transactionManager);<a name="line.52"></a>
<FONT color="green">053</FONT>            this.connectionFactory = connectionFactory;<a name="line.53"></a>
<FONT color="green">054</FONT>        }<a name="line.54"></a>
<FONT color="green">055</FONT>    <a name="line.55"></a>
<FONT color="green">056</FONT>        public TransactionRegistry getTransactionRegistry() {<a name="line.56"></a>
<FONT color="green">057</FONT>            return transactionRegistry;<a name="line.57"></a>
<FONT color="green">058</FONT>        }<a name="line.58"></a>
<FONT color="green">059</FONT>    <a name="line.59"></a>
<FONT color="green">060</FONT>        public Connection createConnection() throws SQLException {<a name="line.60"></a>
<FONT color="green">061</FONT>            // create a new connection<a name="line.61"></a>
<FONT color="green">062</FONT>            Connection connection = connectionFactory.createConnection();<a name="line.62"></a>
<FONT color="green">063</FONT>    <a name="line.63"></a>
<FONT color="green">064</FONT>            // create a XAResource to manage the connection during XA transactions<a name="line.64"></a>
<FONT color="green">065</FONT>            XAResource xaResource = new LocalXAResource(connection);<a name="line.65"></a>
<FONT color="green">066</FONT>    <a name="line.66"></a>
<FONT color="green">067</FONT>            // register the xa resource for the connection<a name="line.67"></a>
<FONT color="green">068</FONT>            transactionRegistry.registerConnection(connection, xaResource);<a name="line.68"></a>
<FONT color="green">069</FONT>    <a name="line.69"></a>
<FONT color="green">070</FONT>            return connection;<a name="line.70"></a>
<FONT color="green">071</FONT>        }<a name="line.71"></a>
<FONT color="green">072</FONT>    <a name="line.72"></a>
<FONT color="green">073</FONT>        /**<a name="line.73"></a>
<FONT color="green">074</FONT>         * LocalXAResource is a fake XAResource for non-XA connections.  When a transaction is started<a name="line.74"></a>
<FONT color="green">075</FONT>         * the connection auto-commit is turned off.  When the connection is committed or rolled back,<a name="line.75"></a>
<FONT color="green">076</FONT>         * the commit or rollback method is called on the connection and then the original auto-commit<a name="line.76"></a>
<FONT color="green">077</FONT>         * value is restored.<a name="line.77"></a>
<FONT color="green">078</FONT>         * &lt;/p&gt;<a name="line.78"></a>
<FONT color="green">079</FONT>         * The LocalXAResource also respects the connection read-only setting.  If the connection is<a name="line.79"></a>
<FONT color="green">080</FONT>         * read-only the commit method will not be called, and the prepare method returns the XA_RDONLY.<a name="line.80"></a>
<FONT color="green">081</FONT>         * &lt;/p&gt;<a name="line.81"></a>
<FONT color="green">082</FONT>         * It is assumed that the wrapper around a managed connection disables the setAutoCommit(),<a name="line.82"></a>
<FONT color="green">083</FONT>         * commit(), rollback() and setReadOnly() methods while a transaction is in progress.<a name="line.83"></a>
<FONT color="green">084</FONT>         */<a name="line.84"></a>
<FONT color="green">085</FONT>        protected static class LocalXAResource implements XAResource {<a name="line.85"></a>
<FONT color="green">086</FONT>            private final Connection connection;<a name="line.86"></a>
<FONT color="green">087</FONT>            private Xid currentXid;<a name="line.87"></a>
<FONT color="green">088</FONT>            private boolean originalAutoCommit;<a name="line.88"></a>
<FONT color="green">089</FONT>    <a name="line.89"></a>
<FONT color="green">090</FONT>            public LocalXAResource(Connection localTransaction) {<a name="line.90"></a>
<FONT color="green">091</FONT>                this.connection = localTransaction;<a name="line.91"></a>
<FONT color="green">092</FONT>            }<a name="line.92"></a>
<FONT color="green">093</FONT>    <a name="line.93"></a>
<FONT color="green">094</FONT>            /**<a name="line.94"></a>
<FONT color="green">095</FONT>             * Gets the current xid of the transaction branch associated with this XAResource.<a name="line.95"></a>
<FONT color="green">096</FONT>             *<a name="line.96"></a>
<FONT color="green">097</FONT>             * @return the current xid of the transaction branch associated with this XAResource.<a name="line.97"></a>
<FONT color="green">098</FONT>             */<a name="line.98"></a>
<FONT color="green">099</FONT>            public synchronized Xid getXid() {<a name="line.99"></a>
<FONT color="green">100</FONT>                return currentXid;<a name="line.100"></a>
<FONT color="green">101</FONT>            }<a name="line.101"></a>
<FONT color="green">102</FONT>    <a name="line.102"></a>
<FONT color="green">103</FONT>            /**<a name="line.103"></a>
<FONT color="green">104</FONT>             * Signals that a the connection has been enrolled in a transaction.  This method saves off the<a name="line.104"></a>
<FONT color="green">105</FONT>             * current auto commit flag, and then disables auto commit.  The original auto commit setting is<a name="line.105"></a>
<FONT color="green">106</FONT>             * restored when the transaction completes.<a name="line.106"></a>
<FONT color="green">107</FONT>             *<a name="line.107"></a>
<FONT color="green">108</FONT>             * @param xid  the id of the transaction branch for this connection<a name="line.108"></a>
<FONT color="green">109</FONT>             * @param flag either XAResource.TMNOFLAGS or XAResource.TMRESUME<a name="line.109"></a>
<FONT color="green">110</FONT>             * @throws XAException if the connection is already enlisted in another transaction, or if auto-commit<a name="line.110"></a>
<FONT color="green">111</FONT>             *                     could not be disabled<a name="line.111"></a>
<FONT color="green">112</FONT>             */<a name="line.112"></a>
<FONT color="green">113</FONT>            public synchronized void start(Xid xid, int flag) throws XAException {<a name="line.113"></a>
<FONT color="green">114</FONT>                if (flag == XAResource.TMNOFLAGS) {<a name="line.114"></a>
<FONT color="green">115</FONT>                    // first time in this transaction<a name="line.115"></a>
<FONT color="green">116</FONT>    <a name="line.116"></a>
<FONT color="green">117</FONT>                    // make sure we aren't already in another tx<a name="line.117"></a>
<FONT color="green">118</FONT>                    if (this.currentXid != null) {<a name="line.118"></a>
<FONT color="green">119</FONT>                        throw new XAException("Already enlisted in another transaction with xid " + xid);<a name="line.119"></a>
<FONT color="green">120</FONT>                    }<a name="line.120"></a>
<FONT color="green">121</FONT>    <a name="line.121"></a>
<FONT color="green">122</FONT>                    // save off the current auto commit flag so it can be restored after the transaction completes<a name="line.122"></a>
<FONT color="green">123</FONT>                    try {<a name="line.123"></a>
<FONT color="green">124</FONT>                        originalAutoCommit = connection.getAutoCommit();<a name="line.124"></a>
<FONT color="green">125</FONT>                    } catch (SQLException ignored) {<a name="line.125"></a>
<FONT color="green">126</FONT>                        // no big deal, just assume it was off<a name="line.126"></a>
<FONT color="green">127</FONT>                        originalAutoCommit = true;<a name="line.127"></a>
<FONT color="green">128</FONT>                    }<a name="line.128"></a>
<FONT color="green">129</FONT>    <a name="line.129"></a>
<FONT color="green">130</FONT>                    // update the auto commit flag<a name="line.130"></a>
<FONT color="green">131</FONT>                    try {<a name="line.131"></a>
<FONT color="green">132</FONT>                        connection.setAutoCommit(false);<a name="line.132"></a>
<FONT color="green">133</FONT>                    } catch (SQLException e) {<a name="line.133"></a>
<FONT color="green">134</FONT>                        throw (XAException) new XAException("Count not turn off auto commit for a XA transaction").initCause(e);<a name="line.134"></a>
<FONT color="green">135</FONT>                    }<a name="line.135"></a>
<FONT color="green">136</FONT>    <a name="line.136"></a>
<FONT color="green">137</FONT>                    this.currentXid = xid;<a name="line.137"></a>
<FONT color="green">138</FONT>                } else if (flag == XAResource.TMRESUME) {<a name="line.138"></a>
<FONT color="green">139</FONT>                    if (xid != this.currentXid) {<a name="line.139"></a>
<FONT color="green">140</FONT>                        throw new XAException("Attempting to resume in different transaction: expected " + this.currentXid + ", but was " + xid);<a name="line.140"></a>
<FONT color="green">141</FONT>                    }<a name="line.141"></a>
<FONT color="green">142</FONT>                } else {<a name="line.142"></a>
<FONT color="green">143</FONT>                    throw new XAException("Unknown start flag " + flag);<a name="line.143"></a>
<FONT color="green">144</FONT>                }<a name="line.144"></a>
<FONT color="green">145</FONT>            }<a name="line.145"></a>
<FONT color="green">146</FONT>    <a name="line.146"></a>
<FONT color="green">147</FONT>            /**<a name="line.147"></a>
<FONT color="green">148</FONT>             * This method does nothing.<a name="line.148"></a>
<FONT color="green">149</FONT>             *<a name="line.149"></a>
<FONT color="green">150</FONT>             * @param xid  the id of the transaction branch for this connection<a name="line.150"></a>
<FONT color="green">151</FONT>             * @param flag ignored<a name="line.151"></a>
<FONT color="green">152</FONT>             * @throws XAException if the connection is already enlisted in another transaction<a name="line.152"></a>
<FONT color="green">153</FONT>             */<a name="line.153"></a>
<FONT color="green">154</FONT>            public synchronized void end(Xid xid, int flag) throws XAException {<a name="line.154"></a>
<FONT color="green">155</FONT>                if (xid == null) throw new NullPointerException("xid is null");<a name="line.155"></a>
<FONT color="green">156</FONT>                if (!this.currentXid.equals(xid)) throw new XAException("Invalid Xid: expected " + this.currentXid + ", but was " + xid);<a name="line.156"></a>
<FONT color="green">157</FONT>    <a name="line.157"></a>
<FONT color="green">158</FONT>                // This notification tells us that the application server is done using this<a name="line.158"></a>
<FONT color="green">159</FONT>                // connection for the time being.  The connection is still associated with an<a name="line.159"></a>
<FONT color="green">160</FONT>                // open transaction, so we must still wait for the commit or rollback method<a name="line.160"></a>
<FONT color="green">161</FONT>            }<a name="line.161"></a>
<FONT color="green">162</FONT>    <a name="line.162"></a>
<FONT color="green">163</FONT>            /**<a name="line.163"></a>
<FONT color="green">164</FONT>             * This method does nothing since the LocalXAConnection does not support two-phase-commit.  This method<a name="line.164"></a>
<FONT color="green">165</FONT>             * will return XAResource.XA_RDONLY if the connection isReadOnly().  This assumes that the physical<a name="line.165"></a>
<FONT color="green">166</FONT>             * connection is wrapped with a proxy that prevents an application from changing the read-only flag<a name="line.166"></a>
<FONT color="green">167</FONT>             * while enrolled in a transaction.<a name="line.167"></a>
<FONT color="green">168</FONT>             *<a name="line.168"></a>
<FONT color="green">169</FONT>             * @param xid the id of the transaction branch for this connection<a name="line.169"></a>
<FONT color="green">170</FONT>             * @return XAResource.XA_RDONLY if the connection.isReadOnly(); XAResource.XA_OK otherwise<a name="line.170"></a>
<FONT color="green">171</FONT>             */<a name="line.171"></a>
<FONT color="green">172</FONT>            public synchronized int prepare(Xid xid) {<a name="line.172"></a>
<FONT color="green">173</FONT>                // if the connection is read-only, then the resource is read-only<a name="line.173"></a>
<FONT color="green">174</FONT>                // NOTE: this assumes that the outer proxy throws an exception when application code<a name="line.174"></a>
<FONT color="green">175</FONT>                // attempts to set this in a transaction<a name="line.175"></a>
<FONT color="green">176</FONT>                try {<a name="line.176"></a>
<FONT color="green">177</FONT>                    if (connection.isReadOnly()) {<a name="line.177"></a>
<FONT color="green">178</FONT>                        // update the auto commit flag<a name="line.178"></a>
<FONT color="green">179</FONT>                        connection.setAutoCommit(originalAutoCommit);<a name="line.179"></a>
<FONT color="green">180</FONT>    <a name="line.180"></a>
<FONT color="green">181</FONT>                        // tell the transaction manager we are read only<a name="line.181"></a>
<FONT color="green">182</FONT>                        return XAResource.XA_RDONLY;<a name="line.182"></a>
<FONT color="green">183</FONT>                    }<a name="line.183"></a>
<FONT color="green">184</FONT>                } catch (SQLException ignored) {<a name="line.184"></a>
<FONT color="green">185</FONT>                    // no big deal<a name="line.185"></a>
<FONT color="green">186</FONT>                }<a name="line.186"></a>
<FONT color="green">187</FONT>    <a name="line.187"></a>
<FONT color="green">188</FONT>                // this is a local (one phase) only connection, so we can't prepare<a name="line.188"></a>
<FONT color="green">189</FONT>                return XAResource.XA_OK;<a name="line.189"></a>
<FONT color="green">190</FONT>            }<a name="line.190"></a>
<FONT color="green">191</FONT>    <a name="line.191"></a>
<FONT color="green">192</FONT>            /**<a name="line.192"></a>
<FONT color="green">193</FONT>             * Commits the transaction and restores the original auto commit setting.<a name="line.193"></a>
<FONT color="green">194</FONT>             *<a name="line.194"></a>
<FONT color="green">195</FONT>             * @param xid  the id of the transaction branch for this connection<a name="line.195"></a>
<FONT color="green">196</FONT>             * @param flag ignored<a name="line.196"></a>
<FONT color="green">197</FONT>             * @throws XAException if connection.commit() throws a SQLException<a name="line.197"></a>
<FONT color="green">198</FONT>             */<a name="line.198"></a>
<FONT color="green">199</FONT>            public synchronized void commit(Xid xid, boolean flag) throws XAException {<a name="line.199"></a>
<FONT color="green">200</FONT>                if (xid == null) throw new NullPointerException("xid is null");<a name="line.200"></a>
<FONT color="green">201</FONT>                if (!this.currentXid.equals(xid)) throw new XAException("Invalid Xid: expected " + this.currentXid + ", but was " + xid);<a name="line.201"></a>
<FONT color="green">202</FONT>    <a name="line.202"></a>
<FONT color="green">203</FONT>                try {<a name="line.203"></a>
<FONT color="green">204</FONT>                    // make sure the connection isn't already closed<a name="line.204"></a>
<FONT color="green">205</FONT>                    if (connection.isClosed()) {<a name="line.205"></a>
<FONT color="green">206</FONT>                        throw new XAException("Conection is closed");<a name="line.206"></a>
<FONT color="green">207</FONT>                    }<a name="line.207"></a>
<FONT color="green">208</FONT>    <a name="line.208"></a>
<FONT color="green">209</FONT>                    // A read only connection should not be committed<a name="line.209"></a>
<FONT color="green">210</FONT>                    if (!connection.isReadOnly()) {<a name="line.210"></a>
<FONT color="green">211</FONT>                        connection.commit();<a name="line.211"></a>
<FONT color="green">212</FONT>                    }<a name="line.212"></a>
<FONT color="green">213</FONT>                } catch (SQLException e) {<a name="line.213"></a>
<FONT color="green">214</FONT>                    throw (XAException) new XAException().initCause(e);<a name="line.214"></a>
<FONT color="green">215</FONT>                } finally {<a name="line.215"></a>
<FONT color="green">216</FONT>                    try {<a name="line.216"></a>
<FONT color="green">217</FONT>                        connection.setAutoCommit(originalAutoCommit);<a name="line.217"></a>
<FONT color="green">218</FONT>                    } catch (SQLException e) {<a name="line.218"></a>
<FONT color="green">219</FONT>                    }<a name="line.219"></a>
<FONT color="green">220</FONT>                    this.currentXid = null;<a name="line.220"></a>
<FONT color="green">221</FONT>                }<a name="line.221"></a>
<FONT color="green">222</FONT>            }<a name="line.222"></a>
<FONT color="green">223</FONT>    <a name="line.223"></a>
<FONT color="green">224</FONT>            /**<a name="line.224"></a>
<FONT color="green">225</FONT>             * Rolls back the transaction and restores the original auto commit setting.<a name="line.225"></a>
<FONT color="green">226</FONT>             *<a name="line.226"></a>
<FONT color="green">227</FONT>             * @param xid the id of the transaction branch for this connection<a name="line.227"></a>
<FONT color="green">228</FONT>             * @throws XAException if connection.rollback() throws a SQLException<a name="line.228"></a>
<FONT color="green">229</FONT>             */<a name="line.229"></a>
<FONT color="green">230</FONT>            public synchronized void rollback(Xid xid) throws XAException {<a name="line.230"></a>
<FONT color="green">231</FONT>                if (xid == null) throw new NullPointerException("xid is null");<a name="line.231"></a>
<FONT color="green">232</FONT>                if (!this.currentXid.equals(xid)) throw new XAException("Invalid Xid: expected " + this.currentXid + ", but was " + xid);<a name="line.232"></a>
<FONT color="green">233</FONT>    <a name="line.233"></a>
<FONT color="green">234</FONT>                try {<a name="line.234"></a>
<FONT color="green">235</FONT>                    connection.rollback();<a name="line.235"></a>
<FONT color="green">236</FONT>                } catch (SQLException e) {<a name="line.236"></a>
<FONT color="green">237</FONT>                    throw (XAException) new XAException().initCause(e);<a name="line.237"></a>
<FONT color="green">238</FONT>                } finally {<a name="line.238"></a>
<FONT color="green">239</FONT>                    try {<a name="line.239"></a>
<FONT color="green">240</FONT>                        connection.setAutoCommit(originalAutoCommit);<a name="line.240"></a>
<FONT color="green">241</FONT>                    } catch (SQLException e) {<a name="line.241"></a>
<FONT color="green">242</FONT>                    }<a name="line.242"></a>
<FONT color="green">243</FONT>                    this.currentXid = null;<a name="line.243"></a>
<FONT color="green">244</FONT>                }<a name="line.244"></a>
<FONT color="green">245</FONT>            }<a name="line.245"></a>
<FONT color="green">246</FONT>    <a name="line.246"></a>
<FONT color="green">247</FONT>            /**<a name="line.247"></a>
<FONT color="green">248</FONT>             * Returns true if the specified XAResource == this XAResource.<a name="line.248"></a>
<FONT color="green">249</FONT>             *<a name="line.249"></a>
<FONT color="green">250</FONT>             * @param xaResource the XAResource to test<a name="line.250"></a>
<FONT color="green">251</FONT>             * @return true if the specified XAResource == this XAResource; false otherwise<a name="line.251"></a>
<FONT color="green">252</FONT>             */<a name="line.252"></a>
<FONT color="green">253</FONT>            public boolean isSameRM(XAResource xaResource) {<a name="line.253"></a>
<FONT color="green">254</FONT>                return this == xaResource;<a name="line.254"></a>
<FONT color="green">255</FONT>            }<a name="line.255"></a>
<FONT color="green">256</FONT>    <a name="line.256"></a>
<FONT color="green">257</FONT>            /**<a name="line.257"></a>
<FONT color="green">258</FONT>             * Clears the currently associated transaction if it is the specified xid.<a name="line.258"></a>
<FONT color="green">259</FONT>             *<a name="line.259"></a>
<FONT color="green">260</FONT>             * @param xid the id of the transaction to forget<a name="line.260"></a>
<FONT color="green">261</FONT>             */<a name="line.261"></a>
<FONT color="green">262</FONT>            public synchronized void forget(Xid xid) {<a name="line.262"></a>
<FONT color="green">263</FONT>                if (xid != null &amp;&amp; this.currentXid.equals(xid)) {<a name="line.263"></a>
<FONT color="green">264</FONT>                    this.currentXid = null;<a name="line.264"></a>
<FONT color="green">265</FONT>                }<a name="line.265"></a>
<FONT color="green">266</FONT>            }<a name="line.266"></a>
<FONT color="green">267</FONT>    <a name="line.267"></a>
<FONT color="green">268</FONT>            /**<a name="line.268"></a>
<FONT color="green">269</FONT>             * Always returns a zero length Xid array.  The LocalXAConnectionFactory can not support recovery, so no xids will ever be found.<a name="line.269"></a>
<FONT color="green">270</FONT>             *<a name="line.270"></a>
<FONT color="green">271</FONT>             * @param flag ignored since recovery is not supported<a name="line.271"></a>
<FONT color="green">272</FONT>             * @return always a zero length Xid array.<a name="line.272"></a>
<FONT color="green">273</FONT>             */<a name="line.273"></a>
<FONT color="green">274</FONT>            public Xid[] recover(int flag) {<a name="line.274"></a>
<FONT color="green">275</FONT>                return new Xid[0];<a name="line.275"></a>
<FONT color="green">276</FONT>            }<a name="line.276"></a>
<FONT color="green">277</FONT>    <a name="line.277"></a>
<FONT color="green">278</FONT>            /**<a name="line.278"></a>
<FONT color="green">279</FONT>             * Always returns 0 since we have no way to set a transaction timeout on a JDBC connection.<a name="line.279"></a>
<FONT color="green">280</FONT>             *<a name="line.280"></a>
<FONT color="green">281</FONT>             * @return always 0<a name="line.281"></a>
<FONT color="green">282</FONT>             */<a name="line.282"></a>
<FONT color="green">283</FONT>            public int getTransactionTimeout() {<a name="line.283"></a>
<FONT color="green">284</FONT>                return 0;<a name="line.284"></a>
<FONT color="green">285</FONT>            }<a name="line.285"></a>
<FONT color="green">286</FONT>    <a name="line.286"></a>
<FONT color="green">287</FONT>            /**<a name="line.287"></a>
<FONT color="green">288</FONT>             * Always returns false since we have no way to set a transaction timeout on a JDBC connection.<a name="line.288"></a>
<FONT color="green">289</FONT>             *<a name="line.289"></a>
<FONT color="green">290</FONT>             * @param transactionTimeout ignored since we have no way to set a transaction timeout on a JDBC connection<a name="line.290"></a>
<FONT color="green">291</FONT>             * @return always false<a name="line.291"></a>
<FONT color="green">292</FONT>             */<a name="line.292"></a>
<FONT color="green">293</FONT>            public boolean setTransactionTimeout(int transactionTimeout) {<a name="line.293"></a>
<FONT color="green">294</FONT>                return false;<a name="line.294"></a>
<FONT color="green">295</FONT>            }<a name="line.295"></a>
<FONT color="green">296</FONT>        }<a name="line.296"></a>
<FONT color="green">297</FONT>    <a name="line.297"></a>
<FONT color="green">298</FONT>    }<a name="line.298"></a>




























































</PRE>
</BODY>
</HTML>
